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Key facts

  • Corrugated pocket envelopes are designed for posting flat but fragile items, with full-colour printing on the front, rear, or both sides.
  • Four internal sizes are available, from 250mm x 150mm up to 360mm x 250mm (length x width).
  • The envelopes are FSC certified with 60-90% recycled content and sized to meet Royal Mail's large letter format.

Frequently asked questions

What are corrugated pocket envelopes used for?
They're designed for posting flat but fragile items securely, made from FSC certified board with 60-90% recycled content.
Where can I print my branding?
Front side only, rear side only, or front and rear sides - the pre-defined print areas.
What sizes are available and how accurate are they?
Four internal sizes (length x width): 250mm x 150mm, 270mm x 185mm, 340mm x 235mm, and 360mm x 250mm; dimensions can vary by 10-20mm.
Do these meet Royal Mail's size rules?
Yes, they're designed to Royal Mail's large letter format for reliable letterbox delivery.
Can I order a sample before a full run?
Yes, a blank sample is available for a couple of pence, and a printed sample fee is refunded against a matching first full order.
What's the minimum order and is there a setup fee?
Minimum orders are low, with a one-time £49.95 set-up fee automatically added to orders under £100 (waived on repeat orders with unchanged artwork).
How fast can I get these printed and delivered?
Choose same day (local, subject to availability), next day, or standard 3-5 day delivery at checkout, with free mainland UK delivery available.

Testimonials

Caroline Rowland

"I was in a jam and needed 600 bags with our label next day- this team was so amazing and got them done in time. Cannot recommend them enough! Superb quality as well."

Megan Brown

"Fantastic service, really speedy and great quality. Would 100% recommend especially if you're in need of a quick turnaround!"

Tash Turner

"Ordered some personalised boxes for my little company and I couldn’t be happier. Really easy and efficient system to design your own boxes and printed exactly as I wanted. Great service. Will be 100% ordering more in the super near future."

Talking Birds

"Really clear guidelines, image upload and proofing system. Very good communication and really happy with the results."

T Odugbemi

"Really awesome service from the team at FPP. We are a returning customer and recommend."

Why Choose Us

Fast Delivery Promise
1.

Free UK Delivery Available

Choose from a few delivery options including FREE delivery to mainland UK.

Pre-Print Artwork Approval
2.

Pre-Print Artwork Approval

All printed orders will receive an email proof prior to printing.

Based & Printed in the UK
3.

UK Based

All products are printed and made in the heart of England, keeping our carbon footprint as low as possible.

5 Star Support
4.

5 Star Support

If you're not sure or need help, get instant support via our CONTACT PAGE.

Fast Custom Printed Envelopes for UK Businesses

Fast Printed Packaging

Gummed Enveloeps

Range of gummed envelopes. Including C5 & DL sizes, windowed & non windowed.

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Gold Padded Mailers

Range of gold padded envelopes & mailers. Print both sides of the mailer.

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Self Seal Envelopes

Range of self seal envelopes. Including C5 & DL sizes, windowed & non windowed.

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Pillow Envelopes

Range of cardboard pillow envelopes available in multiple sizes.

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White Padded Mailers

Range of white padded envelopes & mailers. Print both sides of the mailer.

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Cardboard Envelopes

Range of standard & premium cardboard envelopes. Print both sides of the mailer.

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